“…Finally, the third phase, collective discussion of task resolutions and systematisation of learning is the most complex, according to research on the exploratory approach (Delgado, 2013;Ponte et al, 2017;Santos et al, 2019), as it involves the decision-making associated with diverse -intellectual, temporal, and social -issues (Lampert, 2001). Indeed, the teacher must create an order in which the students' solutions are presented, ask them questions, encourage them to justify their statements, help them establish connections between the presented solutions, synthesise the relevant mathematical ideas associated with solving the task, and promote students' reflection on what they have learned (Ponte et al, 2003;Stein et al, 2008).…”